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Finding the Fourth Proportional to 369,769.30, 553,669.80 and 235,924.90

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Solution

The fourth proportional to 369,769.30, 553,669.80 and 235,924.90 is: 353,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,769.30 : 553,669.80 = 235,924.90 : x
  2. Step 2: Convert to fraction form
    369,769.30/553,669.80 = 235,924.90/x
  3. Step 3: Cross multiply
    369,769.30x = 553,669.80 × 235,924.90
  4. Step 4: Simplify right side
    369,769.30x = 130,624,492,198.02
  5. Step 5: Solve for x
    x = 130,624,492,198.02/369,769.30
  6. Step 6: Final answer
    x = 353,259.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.